Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing liquid or solid sample
Patent
1990-08-01
1991-05-28
Warden, Robert J.
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Means for analyzing liquid or solid sample
422100, 422101, 436 70, 436177, 436180, 7386402, 7386403, B01L 302, G01N 3349
Patent
active
050193490
ABSTRACT:
In a pipe 1 for measuring erythrocyte sedimentation rate, a sealing plug body 3, made of synthetic resin material which passes air but swells when water is absorbed thereby, is inserted into the pipe 1 in such a manner that the lower surface of the plug body 3 may be brought into contact with zero graduation of the pipe 1. The pipe is disposable, and it is possible to measure erythrocyte sedimentation rates easily and at small expense.
REFERENCES:
patent: 2692503 (1954-10-01), Crecelius
patent: 3783696 (1974-01-01), Coleman
patent: 3864979 (1975-02-01), Ayres
patent: 3891392 (1975-06-01), Betts et al.
patent: 3995496 (1976-12-01), Bickford
Fisher Scientific 1983, Disposable Serological Pipets, pp. 936-937.
Kummert Lynn M.
Warden Robert J.
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